JPS589029A - 水位検出端作動確認装置 - Google Patents
水位検出端作動確認装置Info
- Publication number
- JPS589029A JPS589029A JP56106882A JP10688281A JPS589029A JP S589029 A JPS589029 A JP S589029A JP 56106882 A JP56106882 A JP 56106882A JP 10688281 A JP10688281 A JP 10688281A JP S589029 A JPS589029 A JP S589029A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- water level
- signals
- detecting
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract 3
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012790 confirmation Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000005856 abnormality Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels
- G01F23/242—Mounting arrangements for electrodes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56106882A JPS589029A (ja) | 1981-07-10 | 1981-07-10 | 水位検出端作動確認装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56106882A JPS589029A (ja) | 1981-07-10 | 1981-07-10 | 水位検出端作動確認装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63122046A Division JPS64422A (en) | 1988-05-20 | 1988-05-20 | Device for checking operation of water level detecting end |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS589029A true JPS589029A (ja) | 1983-01-19 |
JPH048732B2 JPH048732B2 (cs) | 1992-02-18 |
Family
ID=14444866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56106882A Granted JPS589029A (ja) | 1981-07-10 | 1981-07-10 | 水位検出端作動確認装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS589029A (cs) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01263453A (ja) * | 1988-04-14 | 1989-10-19 | Matsushita Electric Ind Co Ltd | 水位検出装置 |
JPH03105101A (ja) * | 1989-09-18 | 1991-05-01 | Noritz Corp | 蒸気発生装置 |
JP2011237240A (ja) * | 2010-05-10 | 2011-11-24 | Nihon Itomic Co Ltd | スケール検知用センサ及びスケール検知方法 |
WO2014027208A3 (en) * | 2012-08-16 | 2014-05-08 | University Of Bradford | Device and method for measuring the depth of media |
-
1981
- 1981-07-10 JP JP56106882A patent/JPS589029A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01263453A (ja) * | 1988-04-14 | 1989-10-19 | Matsushita Electric Ind Co Ltd | 水位検出装置 |
JPH03105101A (ja) * | 1989-09-18 | 1991-05-01 | Noritz Corp | 蒸気発生装置 |
JP2011237240A (ja) * | 2010-05-10 | 2011-11-24 | Nihon Itomic Co Ltd | スケール検知用センサ及びスケール検知方法 |
WO2014027208A3 (en) * | 2012-08-16 | 2014-05-08 | University Of Bradford | Device and method for measuring the depth of media |
US9939306B2 (en) | 2012-08-16 | 2018-04-10 | The University Of Bradford | Device and method for measuring the depth of media |
US10234320B2 (en) | 2012-08-16 | 2019-03-19 | The University Of Bradford | Device and method for measuring the depth of media |
Also Published As
Publication number | Publication date |
---|---|
JPH048732B2 (cs) | 1992-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR19990006937A (ko) | 태양광 발전용 접지 불량 검출 장치 및 방법과 이 장치 및 방법을 이용하는 태양광 발전 장치 | |
KR890003650B1 (ko) | 저항용접기 제어시스템의 2차도체 감시장치 | |
JPS589029A (ja) | 水位検出端作動確認装置 | |
US20020134132A1 (en) | Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllers | |
CN112311451B (zh) | 一种光器件故障检测方法及装置 | |
JPH049242B2 (cs) | ||
US6118190A (en) | Fail-safe system | |
KR101524660B1 (ko) | 사이리스터 고장 검출 시스템 및 방법 | |
JPH01422A (ja) | 水位検出端作動確認装置 | |
JPH084631Y2 (ja) | しゃ断器制御電流センサの点検回路 | |
KR970006021B1 (ko) | 컴퓨터 시스템 | |
JP2879914B2 (ja) | 電極式水面計の自己診断装置 | |
JP2885086B2 (ja) | 水位検出棒の異常判定方法 | |
JP3678557B2 (ja) | 電極式水位計における故障検知装置 | |
JP2001289694A (ja) | 水位検出体の異常判定方法およびその装置 | |
JPH062113Y2 (ja) | 液面リレー | |
JPH10341578A (ja) | インバータ装置のアーム短絡検出回路 | |
CN120074974A (zh) | 一种消防二总线的保护系统和保护方法 | |
KR20240012788A (ko) | 제어패널용 전원 공급 및 감시 장치 | |
SU1076998A2 (ru) | Устройство дл проверки исправности аппаратуры дискретной автоматики | |
KR890002623Y1 (ko) | 전자식 솔레노이드 밸브의 단선 검출회로 | |
JPH0646206B2 (ja) | 一点接地系システムの地絡、短絡監視方式 | |
JPH07306079A (ja) | 水位検出方法及びその装置 | |
JPS57120103A (en) | Controller | |
GB2159988A (en) | Safety device |